Time seems to have ticked more slowly when the universe was young, according to observations of ancient astronomical objects that appear to evolve at a fifth of the rate we see today. The idea ...

TO GRAPPLE WITH questions of time’s end, let’s first look the other way, to its beginning. Some 13.8 billion years ago, our universe, once thought to be eternal and unchanging, began.

These three flashes, previously unknown, are intriguing researchers and providing crucial clues about the expansion of the Universe. These points of light are actually images of the same supernova ...

Whereas NASA’s James Webb Space Telescope zooms in on one part of the sky at a time, Euclid excels at imaging wide, but still detailed, swaths of the universe. That’s perfect for “when you ...

as time passes, its portraits are likely to ramp up in frequency. This unseeable dark universe is a big problem for scientists because dark energy is thought to make up around 68% of the universe ...

"Today’s images show the capacity Euclid has to see structures and objects in the dark Universe in detail that we have never seen before. "This is a hugely exciting time, which will ...